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/*
* rcar_du_plane.h -- R-Car Display Unit Planes
*
* Copyright (C) 2013-2014 Renesas Electronics Corporation
*
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __RCAR_DU_PLANE_H__
#define __RCAR_DU_PLANE_H__
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
struct rcar_du_format_info;
struct rcar_du_group;
/* The RCAR DU has 8 hardware planes, shared between primary and overlay planes.
* As using overlay planes requires at least one of the CRTCs being enabled, no
* more than 7 overlay planes can be available. We thus create 1 primary plane
* per CRTC and 7 overlay planes, for a total of up to 9 KMS planes.
*/
#define RCAR_DU_NUM_KMS_PLANES 9
#define RCAR_DU_NUM_HW_PLANES 8
struct rcar_du_plane {
struct drm_plane plane;
struct rcar_du_group *group;
};
static inline struct rcar_du_plane *to_rcar_plane(struct drm_plane *plane)
{
return container_of(plane, struct rcar_du_plane, plane);
}
struct rcar_du_planes {
struct rcar_du_plane planes[RCAR_DU_NUM_KMS_PLANES];
struct drm_property *alpha;
struct drm_property *colorkey;
struct drm_property *zpos;
};
struct rcar_du_plane_state {
struct drm_plane_state state;
const struct rcar_du_format_info *format;
int hwindex; /* 0-based, -1 means unused */
unsigned int alpha;
unsigned int colorkey;
unsigned int zpos;
};
static inline struct rcar_du_plane_state *
to_rcar_du_plane_state(struct drm_plane_state *state)
{
return container_of(state, struct rcar_du_plane_state, state);
}
int rcar_du_planes_init(struct rcar_du_group *rgrp);
void rcar_du_plane_setup(struct rcar_du_plane *plane);
#endif /* __RCAR_DU_PLANE_H__ */
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